We have at home even a low-cost, here ordered on Amazon Uhrmacherwerkzeugset what is immensely helpful at opening the blasting cap.
Sure, it may well be that one or the other button cell then remains over time, or one or the other has been discharged, you should then also disposed of properly.
BUT: if you consider that the replacement of a single battery in the watch business, but also in the store at least 5-7, and in some cases 12 times cost, then this range has paid off with the replacement of only one battery!
So, clear thing, around 10 cents for a button cell, which gives a strong buy recommendation and 5 star!
